giannapresto giannapresto

23-09-2019
Mathematics

contestada

If DE = 5x EF = 3x and DF = 32 what is the length of DE?

If DE 5x EF 3x and DF 32 what is the length of DE class=

Respuesta :

thardy69634 thardy69634

23-09-2019

Answer:

15

Step-by-step explanation:

Answer Link

23-09-2019

Answer:

20

Step-by-step explanation:

Combine like terms: 5x + 3x = 8x

Divide both sides by 8: 8x/4; 32/8

Solve for x: x = 4

Plug it in: DE = 5(4) = 20

Check: 5(4) + 3(4) = 32; 20 + 12 = 32

Answer Link

Otras preguntas

Which musical genre, with roots in New Orleans, spread to the rest of the country during the great black migration of the 1920s? A. Bluegrass B. Motown C. Jazz

A student earned a grade of 80% on a math test that had 20 problems . How many did he get right?

Which two European countries had established the most colonies in Africa by the end of the 1800s? A. Portugal and the Netherlands B. Britain and France C. Brita

The Nile River originates in which of the following bodies of water? Lake Volta Lake Chad Lake Victoria Lake Tanganyika

How to find the real number root of the negative square root of 36

What does the array show about the relationship between 16 and 4? Sixteen is double the size of 4. Sixteen is triple the size of 4. Sixteen is quadruple the siz

if a persons hair grows about 1.2 centimeters a month about how much would it grow in 9 months

what is 22/40 in simplest form

PLEASE HELP!!Eva Placed a Quarter on its edge and gave it a spin. As it whirled, it moved through a space the shape of what geometric figure.

What two incidents led to the Spanish-American War?